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<a name="1" href="#1">1</a>   <em class="comment">/*</em>
<a name="2" href="#2">2</a>   <em class="comment"> * $Header$</em>
<a name="3" href="#3">3</a>   <em class="comment"> * $Revision: 1261 $</em>
<a name="4" href="#4">4</a>   <em class="comment"> * $Date: 2006-11-30 10:49:27 -0800 (Thu, 30 Nov 2006) $</em>
<a name="5" href="#5">5</a>   <em class="comment"> *</em>
<a name="6" href="#6">6</a>   <em class="comment"> * ====================================================================</em>
<a name="7" href="#7">7</a>   <em class="comment"> *</em>
<a name="8" href="#8">8</a>   <em class="comment"> * Copyright 2000-2004 bob mcwhirter &amp; James Strachan.</em>
<a name="9" href="#9">9</a>   <em class="comment"> * All rights reserved.</em>
<a name="10" href="#10">10</a>  <em class="comment"> *</em>
<a name="11" href="#11">11</a>  <em class="comment"> *</em>
<a name="12" href="#12">12</a>  <em class="comment"> * Redistribution and use in source and binary forms, with or without</em>
<a name="13" href="#13">13</a>  <em class="comment"> * modification, are permitted provided that the following conditions are</em>
<a name="14" href="#14">14</a>  <em class="comment"> * met:</em>
<a name="15" href="#15">15</a>  <em class="comment"> * </em>
<a name="16" href="#16">16</a>  <em class="comment"> *   * Redistributions of source code must retain the above copyright</em>
<a name="17" href="#17">17</a>  <em class="comment"> *     notice, this list of conditions and the following disclaimer.</em>
<a name="18" href="#18">18</a>  <em class="comment"> * </em>
<a name="19" href="#19">19</a>  <em class="comment"> *   * Redistributions in binary form must reproduce the above copyright</em>
<a name="20" href="#20">20</a>  <em class="comment"> *     notice, this list of conditions and the following disclaimer in the</em>
<a name="21" href="#21">21</a>  <em class="comment"> *     documentation and/or other materials provided with the distribution.</em>
<a name="22" href="#22">22</a>  <em class="comment"> * </em>
<a name="23" href="#23">23</a>  <em class="comment"> *   * Neither the name of the Jaxen Project nor the names of its</em>
<a name="24" href="#24">24</a>  <em class="comment"> *     contributors may be used to endorse or promote products derived </em>
<a name="25" href="#25">25</a>  <em class="comment"> *     from this software without specific prior written permission.</em>
<a name="26" href="#26">26</a>  <em class="comment"> * </em>
<a name="27" href="#27">27</a>  <em class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS</em>
<a name="28" href="#28">28</a>  <em class="comment"> * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED</em>
<a name="29" href="#29">29</a>  <em class="comment"> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A</em>
<a name="30" href="#30">30</a>  <em class="comment"> * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER</em>
<a name="31" href="#31">31</a>  <em class="comment"> * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</em>
<a name="32" href="#32">32</a>  <em class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</em>
<a name="33" href="#33">33</a>  <em class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</em>
<a name="34" href="#34">34</a>  <em class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF</em>
<a name="35" href="#35">35</a>  <em class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</em>
<a name="36" href="#36">36</a>  <em class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</em>
<a name="37" href="#37">37</a>  <em class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</em>
<a name="38" href="#38">38</a>  <em class="comment"> *</em>
<a name="39" href="#39">39</a>  <em class="comment"> * ====================================================================</em>
<a name="40" href="#40">40</a>  <em class="comment"> * This software consists of voluntary contributions made by many</em>
<a name="41" href="#41">41</a>  <em class="comment"> * individuals on behalf of the Jaxen Project and was originally</em>
<a name="42" href="#42">42</a>  <em class="comment"> * created by bob mcwhirter &lt;bob@werken.com> and</em>
<a name="43" href="#43">43</a>  <em class="comment"> * James Strachan &lt;jstrachan@apache.org>.  For more information on the</em>
<a name="44" href="#44">44</a>  <em class="comment"> * Jaxen Project, please see &lt;<a href="http://www.jaxen.org/" target="alexandria_uri">http://www.jaxen.org/</a>>.</em>
<a name="45" href="#45">45</a>  <em class="comment"> *</em>
<a name="46" href="#46">46</a>  <em class="comment"> * $Id: DefaultFunctionCallExpr.java 1261 2006-11-30 18:49:27Z elharo $</em>
<a name="47" href="#47">47</a>  <em class="comment"> */</em>
<a name="48" href="#48">48</a>  
<a name="49" href="#49">49</a>  <strong>package</strong> org.jaxen.expr;
<a name="50" href="#50">50</a>  
<a name="51" href="#51">51</a>  <strong>import</strong> java.util.ArrayList;
<a name="52" href="#52">52</a>  <strong>import</strong> java.util.Iterator;
<a name="53" href="#53">53</a>  <strong>import</strong> java.util.List;
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>  <strong>import</strong> org.jaxen.Context;
<a name="56" href="#56">56</a>  <strong>import</strong> org.jaxen.Function;
<a name="57" href="#57">57</a>  <strong>import</strong> org.jaxen.JaxenException;
<a name="58" href="#58">58</a>  
<a name="59" href="#59">59</a>  <em>/**</em>
<a name="60" href="#60">60</a>  <em> * @deprecated this class will become non-public in the future;</em>
<a name="61" href="#61">61</a>  <em> *     use the interface instead</em>
<a name="62" href="#62">62</a>  <em> */</em>
<a name="63" href="#63">63</a>  <strong>public</strong> <strong>class</strong> <a href="../../../org/jaxen/expr/DefaultFunctionCallExpr.html">DefaultFunctionCallExpr</a> <strong>extends</strong> <a href="../../../org/jaxen/expr/DefaultExpr.html">DefaultExpr</a> implements <a href="../../../org/jaxen/expr/FunctionCallExpr.html">FunctionCallExpr</a>
<a name="64" href="#64">64</a>  {
<a name="65" href="#65">65</a>      <em>/**</em>
<a name="66" href="#66">66</a>  <em>     * </em>
<a name="67" href="#67">67</a>  <em>     */</em>
<a name="68" href="#68">68</a>      <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>long</strong> serialVersionUID = -4747789292572193708L;
<a name="69" href="#69">69</a>      <strong>private</strong> String prefix;
<a name="70" href="#70">70</a>      <strong>private</strong> String functionName;
<a name="71" href="#71">71</a>      <strong>private</strong> List parameters;
<a name="72" href="#72">72</a>  
<a name="73" href="#73">73</a>      <strong>public</strong> <a href="../../../org/jaxen/expr/DefaultFunctionCallExpr.html">DefaultFunctionCallExpr</a>(String prefix, String functionName)
<a name="74" href="#74">74</a>      {
<a name="75" href="#75">75</a>          <strong>this</strong>.prefix = prefix;
<a name="76" href="#76">76</a>          <strong>this</strong>.functionName = functionName;
<a name="77" href="#77">77</a>          <strong>this</strong>.parameters = <strong>new</strong> ArrayList();
<a name="78" href="#78">78</a>      }
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>      <strong>public</strong> <strong>void</strong> addParameter(<a href="../../../org/jaxen/expr/Expr.html">Expr</a> parameter)
<a name="81" href="#81">81</a>      {
<a name="82" href="#82">82</a>          <strong>this</strong>.parameters.add(parameter);
<a name="83" href="#83">83</a>      }
<a name="84" href="#84">84</a>  
<a name="85" href="#85">85</a>  
<a name="86" href="#86">86</a>      <strong>public</strong> List getParameters()
<a name="87" href="#87">87</a>      {
<a name="88" href="#88">88</a>          <strong>return</strong> <strong>this</strong>.parameters;
<a name="89" href="#89">89</a>      }
<a name="90" href="#90">90</a>  
<a name="91" href="#91">91</a>      <strong>public</strong> String getPrefix()
<a name="92" href="#92">92</a>      {
<a name="93" href="#93">93</a>          <strong>return</strong> <strong>this</strong>.prefix;
<a name="94" href="#94">94</a>      }
<a name="95" href="#95">95</a>  
<a name="96" href="#96">96</a>      <strong>public</strong> String getFunctionName()
<a name="97" href="#97">97</a>      {
<a name="98" href="#98">98</a>          <strong>return</strong> <strong>this</strong>.functionName;
<a name="99" href="#99">99</a>      }
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a> 
<a name="102" href="#102">102</a>     <strong>public</strong> String getText()
<a name="103" href="#103">103</a>     {
<a name="104" href="#104">104</a>         StringBuffer buf = <strong>new</strong> StringBuffer();
<a name="105" href="#105">105</a>         String prefix = getPrefix();
<a name="106" href="#106">106</a> 
<a name="107" href="#107">107</a>         <strong>if</strong> (prefix != <strong>null</strong> &amp;&amp;
<a name="108" href="#108">108</a>                 prefix.length() > 0)
<a name="109" href="#109">109</a>         {
<a name="110" href="#110">110</a>             buf.append(prefix);
<a name="111" href="#111">111</a>             buf.append(<span class="string">":"</span>);
<a name="112" href="#112">112</a>         }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>         buf.append(getFunctionName());
<a name="115" href="#115">115</a>         buf.append(<span class="string">"("</span>);
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>         Iterator paramIter = getParameters().iterator();
<a name="118" href="#118">118</a> 
<a name="119" href="#119">119</a>         <strong>while</strong> (paramIter.hasNext()) {
<a name="120" href="#120">120</a>             <a href="../../../org/jaxen/expr/Expr.html">Expr</a> eachParam = (Expr) paramIter.next();
<a name="121" href="#121">121</a> 
<a name="122" href="#122">122</a>             buf.append(eachParam.getText());
<a name="123" href="#123">123</a> 
<a name="124" href="#124">124</a>             <strong>if</strong> (paramIter.hasNext())
<a name="125" href="#125">125</a>             {
<a name="126" href="#126">126</a>                 buf.append(<span class="string">", "</span>);
<a name="127" href="#127">127</a>             }
<a name="128" href="#128">128</a>         }
<a name="129" href="#129">129</a> 
<a name="130" href="#130">130</a>         buf.append(<span class="string">")"</span>);
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>         <strong>return</strong> buf.toString();
<a name="133" href="#133">133</a>     }
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>     <strong>public</strong> <a href="../../../org/jaxen/expr/Expr.html">Expr</a> simplify()
<a name="136" href="#136">136</a>     {
<a name="137" href="#137">137</a>         List paramExprs = getParameters();
<a name="138" href="#138">138</a>         <strong>int</strong> paramSize = paramExprs.size();
<a name="139" href="#139">139</a> 
<a name="140" href="#140">140</a>         List <strong>new</strong>Params = <strong>new</strong> ArrayList(paramSize);
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; paramSize; ++i)
<a name="143" href="#143">143</a>         {
<a name="144" href="#144">144</a>             <a href="../../../org/jaxen/expr/Expr.html">Expr</a> eachParam = (Expr) paramExprs.get(i);
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>             newParams.add(eachParam.simplify());
<a name="147" href="#147">147</a>         }
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>         <strong>this</strong>.parameters = newParams;
<a name="150" href="#150">150</a> 
<a name="151" href="#151">151</a>         <strong>return</strong> <strong>this</strong>;
<a name="152" href="#152">152</a>     }
<a name="153" href="#153">153</a> 
<a name="154" href="#154">154</a> 
<a name="155" href="#155">155</a>     <strong>public</strong> String toString()
<a name="156" href="#156">156</a>     {
<a name="157" href="#157">157</a>         String prefix = getPrefix();
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>         <strong>if</strong> (prefix == <strong>null</strong>)
<a name="160" href="#160">160</a>         {
<a name="161" href="#161">161</a>             <strong>return</strong> <span class="string">"[(DefaultFunctionCallExpr): "</span> + getFunctionName() + <span class="string">"("</span> + getParameters() + <span class="string">") ]"</span>;
<a name="162" href="#162">162</a>         }
<a name="163" href="#163">163</a> 
<a name="164" href="#164">164</a>         <strong>return</strong> <span class="string">"[(DefaultFunctionCallExpr): "</span> + getPrefix() + <span class="string">":"</span> + getFunctionName() + <span class="string">"("</span> + getParameters() + <span class="string">") ]"</span>;
<a name="165" href="#165">165</a>     }
<a name="166" href="#166">166</a> 
<a name="167" href="#167">167</a>     <strong>public</strong> Object evaluate(<a href="../../../org/jaxen/Context.html">Context</a> context) throws JaxenException
<a name="168" href="#168">168</a>     {
<a name="169" href="#169">169</a>         String namespaceURI =
<a name="170" href="#170">170</a>                 context.translateNamespacePrefixToUri(getPrefix());
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>         <a href="../../../org/jaxen/Function.html">Function</a> func = context.getFunction(namespaceURI,
<a name="173" href="#173">173</a>                 getPrefix(),
<a name="174" href="#174">174</a>                 getFunctionName());
<a name="175" href="#175">175</a>         List paramValues = evaluateParams(context);
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>         <strong>return</strong> func.call(context, paramValues);
<a name="178" href="#178">178</a>     }
<a name="179" href="#179">179</a> 
<a name="180" href="#180">180</a>     <strong>public</strong> List evaluateParams(<a href="../../../org/jaxen/Context.html">Context</a> context) throws JaxenException
<a name="181" href="#181">181</a>     {
<a name="182" href="#182">182</a>         List paramExprs = getParameters();
<a name="183" href="#183">183</a>         <strong>int</strong> paramSize = paramExprs.size();
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a>         List paramValues = <strong>new</strong> ArrayList(paramSize);
<a name="186" href="#186">186</a> 
<a name="187" href="#187">187</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; paramSize; ++i)
<a name="188" href="#188">188</a>         {
<a name="189" href="#189">189</a>             <a href="../../../org/jaxen/expr/Expr.html">Expr</a> eachParam = (Expr) paramExprs.get(i);
<a name="190" href="#190">190</a> 
<a name="191" href="#191">191</a>             Object eachValue = eachParam.evaluate(context);
<a name="192" href="#192">192</a> 
<a name="193" href="#193">193</a>             paramValues.add(eachValue);
<a name="194" href="#194">194</a>         }
<a name="195" href="#195">195</a>         <strong>return</strong> paramValues;
<a name="196" href="#196">196</a>     }
<a name="197" href="#197">197</a> 
<a name="198" href="#198">198</a> }
<a name="199" href="#199">199</a> 
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